Gaming PC

SanDisk Pro-G40 SSD Review: Rugged Thunderbolt on the Go

SanDisk Pro-G40 is a resilient, fast portable SSD with a USB-C interface that supports both Thunderbolt 3 and USB 3.2 Gen 2 transfer modes. This gives you some flexibility as it works on a large number of devices with higher maximum speeds. The metal core is surrounded by a silicone bumper edge that cools his M.2 SSD inside while protecting the drive from drops and other mishaps. The USB-C port is reinforced with metal for added protection, and SanDisk specs a full SSD with an IP68 waterproof rating. This drive comes with a Type-C to Type-C cable, a good warranty and great support.

This drive is professionally priced and its combination of lasting performance and toughness is our last recommendation. samsung t7 shieldThe Pro-G40’s SSD technology is a bit dated, but it does have DRAM and Thunderbolt mode advantages over the T7 Shield. PCIe 3.0 drives from Western Digital, Red SN700, known for its excellent sustained write performance and overall consistency. This also applies to the Pro-G40, making it unmatched when data needs to be transferred quickly in the field.


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product 1TB 2TB
price $299.99 $449.99
Form factor (internal) M.2 2280 M.2 2280
interface/protocol Thunderbolt 3, USB 3.2 Gen 2 Thunderbolt 3, USB 3.2 Gen 2
bridge chip JHL7440 + ASM2362 JHL7440 + ASM2362
include Thunderbolt 3 USB-C to USB-C Cable Thunderbolt 3 USB-C to USB-C Cable
controller Sandisk proprietary Sandisk proprietary
memory Sandisk 96 layer BiCS4 Sandisk 96 layer BiCS4
Sequential read (TB3 | USB) 2,700MBps | 1,050MBps 2,700MBps | 1,050MBps
Sequential write (TB3 | USB) 1,900MBps | 1,000MBps 1,900MBps | 1,000MBps
random read none none
random write none none
safety none none
resistance IP68 IP68
Endurance (TBW) none none
size 111 x 58 x 12 mm (4.36 x 2.28 x 0.47 inch) 111 x 58 x 12 mm (4.36 x 2.28 x 0.47 inch)
weight 121.2g (0.27lb) 122.3g (0.27lb)
part number SDPS31H-001T-GBCND SDPS31H-002T-GBCND
guarantee 5 years 5 years

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